expressacademic.org - robtex.com
expressacademic.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1777184046 | ||||||
Subdomains
abf.expressacademic.org |
Same first word
expressacademic.org |
DNS History
15 records (10 active, 5 former)
●NSns-1487.awsdns-57.org2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
●NSns-2016.awsdns-60.co.uk2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
●NSns-317.awsdns-39.com2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
●NSns-765.awsdns-31.net2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
○NSns1.peer1.net2015-07-05 → 2017-01-12 · 4 obs
● 2017-01-12 21:00:40
○ 2026-03-13 20:12:16
○ 2026-04-26 06:44:40
○NSns2.peer1.net2015-07-05 → 2017-01-12 · 4 obs
● 2017-01-12 21:00:40
○ 2026-03-13 20:12:16
○ 2026-04-26 06:44:40
●MXalt1.aspmx.l.google.com2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
●MXalt2.aspmx.l.google.com2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
●MXaspmx.l.google.com2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
●MXaspmx2.googlemail.com2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
●MXaspmx3.googlemail.com2026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
○MXbarracuda.keystone-it.com2015-07-05 → 2017-01-12 · 4 obs
● 2017-01-12 21:00:40
○ 2026-03-13 20:12:16
○ 2026-04-26 06:44:40
●A50.31.158.692026-03-13 → 2026-04-26 · 3 obs
● 2026-03-13 20:12:16
● 2026-04-26 06:44:40
○A64.34.170.322015-07-05 → 2015-07-05 · 3 obs
○ 2015-11-10 23:09:52
○ 2026-04-26 06:44:40
○A67.221.225.202015-11-10 → 2017-01-12 · 5 obs
● 2015-11-10 23:09:52
● 2017-01-12 21:00:40
○ 2026-03-13 20:12:16
○ 2026-04-26 06:44:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| expressacademic.org | ns-317.awsdns-39.com, ns-765.awsdns-31.net, ns-1487.awsdns-57.org, ns-2016.awsdns-60.co.uk | 1 record |
✅ Authoritative Response
Server:205.251.193.61
NS records: ns-317.awsdns-39.com, ns-765.awsdns-31.net, ns-1487.awsdns-57.org, ns-2016.awsdns-60.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expressacademic.org (unsigned zone)
⏱️ Timing
Total: 386ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.31.158.69 |
| NS | 4 | ns-1487.awsdns-57.org, ns-2016.awsdns-60.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 1 | v=spf1 include:sendgrid.net include:_spf |
| SOA | 1 | ns-1487.awsdns-57.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-1487.awsdns-57.org)
Analysis
Hierarchy
expressacademic.org is the parent of abf.expressacademic.org.
IP Addresses
expressacademic.org points to IP number 50.31.158.69.
For instance, other host names ncpeapublications.org, dillfirm.com, cybersense.us, foresitedata.com and gdpizzasteak.com share IP numbers with expressacademic.org.
Name Servers
expressacademic.org is delegated to four name servers: ns-317.awsdns-39.com, ns-765.awsdns-31.net, ns-1487.awsdns-57.org and ns-2016.awsdns-60.co.uk.
expressacademic.org shares name servers with other domains at least partially, for example sharpaddict.com, mycadia.com, laligua.cl, d3nuknos34x7p8.cloudfront.net and bnbseguros.com.br.
Host names with two IP numbers:
ns-317.awsdns-39.com points to: 2600:9000:5301:3d00::1 and 205.251.193.61
ns-765.awsdns-31.net points to: 2600:9000:5302:fd00::1 and 205.251.194.253
ns-1487.awsdns-57.org points to: 2600:9000:5305:cf00::1 and 205.251.197.207
ns-2016.awsdns-60.co.uk points to: 2600:9000:5307:e000::1 and 205.251.199.224
Mail Servers
Five mail servers handle expressacademic.org: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
expressacademic.org shares mail servers with other domains at least partially; for instance ns500759.ns500759.ns500759.ns500698.ns500736.ns500735.ns500735.ns500698.ns500698.ns500576.ns500576.ns500619.ns500686.ns500576.ns500619.trackreceptor.com, ns500794.ns500841.ns500821.ns500841.ns500795.ns500821.ns500821.ns500794.ns500794.ns500794.ns500821.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, ns500758.ns500698.ns500758.ns500758.ns500759.ns500735.ns500698.ns500735.ns500698.ns500698.ns500698.ns500576.ns500698.ns500576.ns500576.trackreceptor.com, ns500731.ns500731.ns500731.ns500704.ns500671.ns500742.ns500671.ns500688.ns500649.ns500649.ns500671.ns500131.lustychickser.com and ns500768.ns500758.ns500758.ns500736.ns500698.ns500698.ns500736.ns500708.ns500576.ns500708.ns500576.ns500686.ns500619.trackreceptor.com.
These mail servers are often used alongside alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx5.googlemail.com and aspmx4.googlemail.com.
Host names with two IPs
aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1a and 108.177.123.26
aspmx3.googlemail.com points to 2a00:1450:400b:c02::1b and 172.253.116.26
aspmx.l.google.com points to 2607:f8b0:4004:c23::1b and 142.251.167.26
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.27
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27
Host names that point to 2800:3f0:4003:c0f::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com